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Commit | Line | Data |
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8a0efa53 CF |
1 | /* This header file provides the reentrancy. */ |
2 | ||
3 | /* WARNING: All identifiers here must begin with an underscore. This file is | |
4 | included by stdio.h and others and we therefore must only use identifiers | |
5 | in the namespace allotted to us. */ | |
6 | ||
7 | #ifndef _SYS_REENT_H_ | |
8 | #ifdef __cplusplus | |
9 | extern "C" { | |
10 | #endif | |
11 | #define _SYS_REENT_H_ | |
12 | ||
13 | #include <_ansi.h> | |
9e2a4ef8 | 14 | #include <sys/_types.h> |
8a0efa53 | 15 | |
e5e148d1 JJ |
16 | #define _NULL 0 |
17 | ||
8a0efa53 CF |
18 | #ifndef __Long |
19 | #if __LONG_MAX__ == 2147483647L | |
20 | #define __Long long | |
21 | typedef unsigned __Long __ULong; | |
22 | #elif __INT_MAX__ == 2147483647 | |
23 | #define __Long int | |
24 | typedef unsigned __Long __ULong; | |
25 | #endif | |
26 | #endif | |
27 | ||
dee51391 | 28 | #if !defined( __Long) |
a70486d7 | 29 | #include <sys/types.h> |
dee51391 JJ |
30 | #endif |
31 | ||
32 | #ifndef __Long | |
8a0efa53 CF |
33 | #define __Long __int32_t |
34 | typedef __uint32_t __ULong; | |
35 | #endif | |
36 | ||
17c61d6a EB |
37 | struct _reent; |
38 | ||
8195aff7 MG |
39 | /* |
40 | * If _REENT_SMALL is defined, we make struct _reent as small as possible, | |
41 | * by having nearly everything possible allocated at first use. | |
42 | */ | |
43 | ||
9d36d24f | 44 | struct _Bigint |
8a0efa53 CF |
45 | { |
46 | struct _Bigint *_next; | |
47 | int _k, _maxwds, _sign, _wds; | |
48 | __ULong _x[1]; | |
49 | }; | |
50 | ||
9e2a4ef8 JJ |
51 | /* needed by reentrant structure */ |
52 | struct __tm | |
53 | { | |
54 | int __tm_sec; | |
55 | int __tm_min; | |
56 | int __tm_hour; | |
57 | int __tm_mday; | |
58 | int __tm_mon; | |
59 | int __tm_year; | |
60 | int __tm_wday; | |
61 | int __tm_yday; | |
62 | int __tm_isdst; | |
63 | }; | |
64 | ||
8a0efa53 | 65 | /* |
0c8593cf | 66 | * atexit() support. |
8a0efa53 CF |
67 | */ |
68 | ||
69 | #define _ATEXIT_SIZE 32 /* must be at least 32 to guarantee ANSI conformance */ | |
70 | ||
75d7d177 | 71 | struct _on_exit_args { |
0c8593cf JJ |
72 | void * _fnargs[_ATEXIT_SIZE]; /* user fn args */ |
73 | void * _dso_handle[_ATEXIT_SIZE]; | |
74 | /* Bitmask is set if user function takes arguments. */ | |
75d7d177 | 75 | __ULong _fntypes; /* type of exit routine - |
0c8593cf JJ |
76 | Must have at least _ATEXIT_SIZE bits */ |
77 | /* Bitmask is set if function was registered via __cxa_atexit. */ | |
78 | __ULong _is_cxa; | |
75d7d177 NC |
79 | }; |
80 | ||
81 | #ifdef _REENT_SMALL | |
8a0efa53 | 82 | struct _atexit { |
0c8593cf | 83 | struct _atexit *_next; /* next in list */ |
8a0efa53 CF |
84 | int _ind; /* next index in this table */ |
85 | void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */ | |
75d7d177 | 86 | struct _on_exit_args * _on_exit_args_ptr; |
8a0efa53 | 87 | }; |
8195aff7 MG |
88 | #else |
89 | struct _atexit { | |
75d7d177 | 90 | struct _atexit *_next; /* next in list */ |
8195aff7 | 91 | int _ind; /* next index in this table */ |
0c8593cf | 92 | /* Some entries may already have been called, and will be NULL. */ |
8195aff7 | 93 | void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */ |
75d7d177 | 94 | struct _on_exit_args _on_exit_args; |
8195aff7 MG |
95 | }; |
96 | #endif | |
8a0efa53 CF |
97 | |
98 | /* | |
99 | * Stdio buffers. | |
100 | * | |
dee51391 | 101 | * This and __FILE are defined here because we need them for struct _reent, |
8a0efa53 CF |
102 | * but we don't want stdio.h included when stdlib.h is. |
103 | */ | |
104 | ||
105 | struct __sbuf { | |
106 | unsigned char *_base; | |
107 | int _size; | |
108 | }; | |
109 | ||
8a0efa53 CF |
110 | /* |
111 | * Stdio state variables. | |
112 | * | |
113 | * The following always hold: | |
114 | * | |
115 | * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), | |
116 | * _lbfsize is -_bf._size, else _lbfsize is 0 | |
117 | * if _flags&__SRD, _w is 0 | |
118 | * if _flags&__SWR, _r is 0 | |
119 | * | |
120 | * This ensures that the getc and putc macros (or inline functions) never | |
121 | * try to write or read from a file that is in `read' or `write' mode. | |
122 | * (Moreover, they can, and do, automatically switch from read mode to | |
123 | * write mode, and back, on "r+" and "w+" files.) | |
124 | * | |
125 | * _lbfsize is used only to make the inline line-buffered output stream | |
126 | * code as compact as possible. | |
127 | * | |
128 | * _ub, _up, and _ur are used when ungetc() pushes back more characters | |
129 | * than fit in the current _bf, or when ungetc() pushes back a character | |
130 | * that does not match the previous one in _bf. When this happens, | |
131 | * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff | |
132 | * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. | |
133 | */ | |
134 | ||
8195aff7 MG |
135 | #ifdef _REENT_SMALL |
136 | /* | |
137 | * struct __sFILE_fake is the start of a struct __sFILE, with only the | |
138 | * minimal fields allocated. In __sinit() we really allocate the 3 | |
139 | * standard streams, etc., and point away from this fake. | |
140 | */ | |
141 | struct __sFILE_fake { | |
142 | unsigned char *_p; /* current position in (some) buffer */ | |
143 | int _r; /* read space left for getc() */ | |
144 | int _w; /* write space left for putc() */ | |
145 | short _flags; /* flags, below; this FILE is free if 0 */ | |
146 | short _file; /* fileno, if Unix descriptor, else -1 */ | |
147 | struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ | |
148 | int _lbfsize; /* 0 or -_bf._size, for inline putc */ | |
149 | ||
150 | struct _reent *_data; | |
151 | }; | |
0382d267 JJ |
152 | |
153 | /* Following is needed both in libc/stdio and libc/stdlib so we put it | |
154 | * here instead of libc/stdio/local.h where it was previously. */ | |
155 | ||
156 | extern _VOID _EXFUN(__sinit,(struct _reent *)); | |
157 | ||
158 | # define _REENT_SMALL_CHECK_INIT(ptr) \ | |
159 | do \ | |
160 | { \ | |
161 | if ((ptr) && !(ptr)->__sdidinit) \ | |
162 | __sinit (ptr); \ | |
163 | } \ | |
164 | while (0) | |
8195aff7 | 165 | #else |
1159e0fd | 166 | # define _REENT_SMALL_CHECK_INIT(ptr) /* nothing */ |
8195aff7 MG |
167 | #endif |
168 | ||
8a0efa53 CF |
169 | struct __sFILE { |
170 | unsigned char *_p; /* current position in (some) buffer */ | |
171 | int _r; /* read space left for getc() */ | |
172 | int _w; /* write space left for putc() */ | |
173 | short _flags; /* flags, below; this FILE is free if 0 */ | |
174 | short _file; /* fileno, if Unix descriptor, else -1 */ | |
175 | struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ | |
176 | int _lbfsize; /* 0 or -_bf._size, for inline putc */ | |
177 | ||
8195aff7 MG |
178 | #ifdef _REENT_SMALL |
179 | struct _reent *_data; | |
180 | #endif | |
181 | ||
8a0efa53 CF |
182 | /* operations */ |
183 | _PTR _cookie; /* cookie passed to io functions */ | |
184 | ||
17c61d6a EB |
185 | _READ_WRITE_RETURN_TYPE _EXFUN((*_read),(struct _reent *, _PTR, |
186 | char *, int)); | |
187 | _READ_WRITE_RETURN_TYPE _EXFUN((*_write),(struct _reent *, _PTR, | |
188 | const char *, int)); | |
189 | _fpos_t _EXFUN((*_seek),(struct _reent *, _PTR, _fpos_t, int)); | |
190 | int _EXFUN((*_close),(struct _reent *, _PTR)); | |
8a0efa53 CF |
191 | |
192 | /* separate buffer for long sequences of ungetc() */ | |
193 | struct __sbuf _ub; /* ungetc buffer */ | |
194 | unsigned char *_up; /* saved _p when _p is doing ungetc data */ | |
195 | int _ur; /* saved _r when _r is counting ungetc data */ | |
196 | ||
197 | /* tricks to meet minimum requirements even when malloc() fails */ | |
198 | unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ | |
199 | unsigned char _nbuf[1]; /* guarantee a getc() buffer */ | |
200 | ||
201 | /* separate buffer for fgetline() when line crosses buffer boundary */ | |
202 | struct __sbuf _lb; /* buffer for fgetline() */ | |
203 | ||
204 | /* Unix stdio files get aligned to block boundaries on fseek() */ | |
205 | int _blksize; /* stat.st_blksize (may be != _bf._size) */ | |
206 | int _offset; /* current lseek offset */ | |
207 | ||
8195aff7 | 208 | #ifndef _REENT_SMALL |
3db40db7 JJ |
209 | struct _reent *_data; /* Here for binary compatibility? Remove? */ |
210 | #endif | |
211 | ||
212 | #ifndef __SINGLE_THREAD__ | |
213 | _flock_t _lock; /* for thread-safety locking */ | |
8195aff7 | 214 | #endif |
0751f226 | 215 | _mbstate_t _mbstate; /* for wide char stdio functions. */ |
14773e10 | 216 | int _flags2; /* for future use */ |
8a0efa53 CF |
217 | }; |
218 | ||
7d592bb1 JJ |
219 | #ifdef __CUSTOM_FILE_IO__ |
220 | ||
221 | /* Get custom _FILE definition. */ | |
222 | #include <sys/custom_file.h> | |
223 | ||
224 | #else /* !__CUSTOM_FILE_IO__ */ | |
dee51391 JJ |
225 | #ifdef __LARGE64_FILES |
226 | struct __sFILE64 { | |
227 | unsigned char *_p; /* current position in (some) buffer */ | |
228 | int _r; /* read space left for getc() */ | |
229 | int _w; /* write space left for putc() */ | |
230 | short _flags; /* flags, below; this FILE is free if 0 */ | |
231 | short _file; /* fileno, if Unix descriptor, else -1 */ | |
232 | struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ | |
233 | int _lbfsize; /* 0 or -_bf._size, for inline putc */ | |
234 | ||
235 | struct _reent *_data; | |
236 | ||
237 | /* operations */ | |
238 | _PTR _cookie; /* cookie passed to io functions */ | |
239 | ||
17c61d6a EB |
240 | _READ_WRITE_RETURN_TYPE _EXFUN((*_read),(struct _reent *, _PTR, |
241 | char *, int)); | |
242 | _READ_WRITE_RETURN_TYPE _EXFUN((*_write),(struct _reent *, _PTR, | |
243 | const char *, int)); | |
244 | _fpos_t _EXFUN((*_seek),(struct _reent *, _PTR, _fpos_t, int)); | |
245 | int _EXFUN((*_close),(struct _reent *, _PTR)); | |
dee51391 JJ |
246 | |
247 | /* separate buffer for long sequences of ungetc() */ | |
248 | struct __sbuf _ub; /* ungetc buffer */ | |
249 | unsigned char *_up; /* saved _p when _p is doing ungetc data */ | |
250 | int _ur; /* saved _r when _r is counting ungetc data */ | |
251 | ||
252 | /* tricks to meet minimum requirements even when malloc() fails */ | |
253 | unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ | |
254 | unsigned char _nbuf[1]; /* guarantee a getc() buffer */ | |
255 | ||
256 | /* separate buffer for fgetline() when line crosses buffer boundary */ | |
257 | struct __sbuf _lb; /* buffer for fgetline() */ | |
258 | ||
259 | /* Unix stdio files get aligned to block boundaries on fseek() */ | |
260 | int _blksize; /* stat.st_blksize (may be != _bf._size) */ | |
261 | int _flags2; /* for future use */ | |
3db40db7 | 262 | |
dee51391 | 263 | _off64_t _offset; /* current lseek offset */ |
17c61d6a | 264 | _fpos64_t _EXFUN((*_seek64),(struct _reent *, _PTR, _fpos64_t, int)); |
3db40db7 JJ |
265 | |
266 | #ifndef __SINGLE_THREAD__ | |
267 | _flock_t _lock; /* for thread-safety locking */ | |
268 | #endif | |
0751f226 | 269 | _mbstate_t _mbstate; /* for wide char stdio functions. */ |
dee51391 JJ |
270 | }; |
271 | typedef struct __sFILE64 __FILE; | |
272 | #else | |
273 | typedef struct __sFILE __FILE; | |
274 | #endif /* __LARGE64_FILES */ | |
7d592bb1 | 275 | #endif /* !__CUSTOM_FILE_IO__ */ |
dee51391 | 276 | |
9d36d24f | 277 | struct _glue |
dee51391 JJ |
278 | { |
279 | struct _glue *_next; | |
280 | int _niobs; | |
281 | __FILE *_iobs; | |
282 | }; | |
283 | ||
ab4745dc JJ |
284 | /* |
285 | * rand48 family support | |
286 | * | |
287 | * Copyright (c) 1993 Martin Birgmeier | |
288 | * All rights reserved. | |
289 | * | |
290 | * You may redistribute unmodified or modified versions of this source | |
291 | * code provided that the above copyright notice and this and the | |
292 | * following conditions are retained. | |
293 | * | |
294 | * This software is provided ``as is'', and comes with no warranties | |
295 | * of any kind. I shall in no event be liable for anything that happens | |
296 | * to anyone/anything when using this software. | |
297 | */ | |
298 | #define _RAND48_SEED_0 (0x330e) | |
299 | #define _RAND48_SEED_1 (0xabcd) | |
300 | #define _RAND48_SEED_2 (0x1234) | |
301 | #define _RAND48_MULT_0 (0xe66d) | |
302 | #define _RAND48_MULT_1 (0xdeec) | |
303 | #define _RAND48_MULT_2 (0x0005) | |
304 | #define _RAND48_ADD (0x000b) | |
305 | struct _rand48 { | |
306 | unsigned short _seed[3]; | |
307 | unsigned short _mult[3]; | |
308 | unsigned short _add; | |
8195aff7 MG |
309 | #ifdef _REENT_SMALL |
310 | /* Put this in here as well, for good luck. */ | |
311 | __extension__ unsigned long long _rand_next; | |
312 | #endif | |
ab4745dc JJ |
313 | }; |
314 | ||
8195aff7 MG |
315 | /* How big the some arrays are. */ |
316 | #define _REENT_EMERGENCY_SIZE 25 | |
317 | #define _REENT_ASCTIME_SIZE 26 | |
39e65e01 | 318 | #define _REENT_SIGNAL_SIZE 24 |
8195aff7 | 319 | |
8a0efa53 CF |
320 | /* |
321 | * struct _reent | |
322 | * | |
323 | * This structure contains *all* globals needed by the library. | |
324 | * It's raison d'etre is to facilitate threads by making all library routines | |
325 | * reentrant. IE: All state information is contained here. | |
326 | */ | |
327 | ||
8195aff7 MG |
328 | #ifdef _REENT_SMALL |
329 | ||
330 | struct _mprec | |
331 | { | |
332 | /* used by mprec routines */ | |
333 | struct _Bigint *_result; | |
334 | int _result_k; | |
335 | struct _Bigint *_p5s; | |
336 | struct _Bigint **_freelist; | |
337 | }; | |
338 | ||
d4dca0e4 JJ |
339 | |
340 | struct _misc_reent | |
341 | { | |
342 | /* miscellaneous reentrant data */ | |
343 | char *_strtok_last; | |
8d9112f2 TF |
344 | _mbstate_t _mblen_state; |
345 | _mbstate_t _wctomb_state; | |
346 | _mbstate_t _mbtowc_state; | |
c33c3635 | 347 | char _l64a_buf[8]; |
35728d4f | 348 | int _getdate_err; |
9c64d2a7 JJ |
349 | _mbstate_t _mbrlen_state; |
350 | _mbstate_t _mbrtowc_state; | |
351 | _mbstate_t _mbsrtowcs_state; | |
352 | _mbstate_t _wcrtomb_state; | |
353 | _mbstate_t _wcsrtombs_state; | |
d4dca0e4 JJ |
354 | }; |
355 | ||
8195aff7 MG |
356 | /* This version of _reent is layed our with "int"s in pairs, to help |
357 | * ports with 16-bit int's but 32-bit pointers, align nicely. */ | |
358 | struct _reent | |
359 | { | |
360 | ||
361 | /* FILE is a big struct and may change over time. To try to achieve binary | |
362 | compatibility with future versions, put stdin,stdout,stderr here. | |
363 | These are pointers into member __sf defined below. */ | |
dee51391 | 364 | __FILE *_stdin, *_stdout, *_stderr; /* XXX */ |
8195aff7 MG |
365 | |
366 | int _errno; /* local copy of errno */ | |
367 | ||
368 | int _inc; /* used by tmpnam */ | |
369 | ||
370 | char *_emergency; | |
9d36d24f | 371 | |
8195aff7 MG |
372 | int __sdidinit; /* 1 means stdio has been init'd */ |
373 | ||
374 | int _current_category; /* used by setlocale */ | |
375 | _CONST char *_current_locale; | |
376 | ||
377 | struct _mprec *_mp; | |
378 | ||
379 | void _EXFUN((*__cleanup),(struct _reent *)); | |
380 | ||
381 | int _gamma_signgam; | |
382 | ||
383 | /* used by some fp conversion routines */ | |
384 | int _cvtlen; /* should be size_t */ | |
385 | char *_cvtbuf; | |
386 | ||
387 | struct _rand48 *_r48; | |
388 | struct __tm *_localtime_buf; | |
389 | char *_asctime_buf; | |
390 | ||
391 | /* signal info */ | |
392 | void (**(_sig_func))(int); | |
393 | ||
394 | /* atexit stuff */ | |
0c8593cf JJ |
395 | struct _atexit *_atexit; |
396 | struct _atexit _atexit0; | |
8195aff7 MG |
397 | |
398 | struct _glue __sglue; /* root of glue chain */ | |
dee51391 | 399 | __FILE *__sf; /* file descriptors */ |
d4dca0e4 | 400 | struct _misc_reent *_misc; /* strtok, multibyte states */ |
39e65e01 | 401 | char *_signal_buf; /* strsignal */ |
8195aff7 MG |
402 | }; |
403 | ||
e5e148d1 JJ |
404 | extern const struct __sFILE_fake __sf_fake_stdin; |
405 | extern const struct __sFILE_fake __sf_fake_stdout; | |
406 | extern const struct __sFILE_fake __sf_fake_stderr; | |
407 | ||
8195aff7 | 408 | #define _REENT_INIT(var) \ |
e5e148d1 JJ |
409 | { (__FILE *)&__sf_fake_stdin, \ |
410 | (__FILE *)&__sf_fake_stdout, \ | |
411 | (__FILE *)&__sf_fake_stderr, \ | |
d0bd3e6f JJ |
412 | 0, \ |
413 | 0, \ | |
414 | _NULL, \ | |
415 | 0, \ | |
416 | 0, \ | |
417 | "C", \ | |
418 | _NULL, \ | |
419 | _NULL, \ | |
420 | 0, \ | |
421 | 0, \ | |
422 | _NULL, \ | |
423 | _NULL, \ | |
424 | _NULL, \ | |
425 | _NULL, \ | |
426 | _NULL, \ | |
0c8593cf JJ |
427 | _NULL, \ |
428 | {_NULL, 0, {_NULL}, _NULL}, \ | |
d0bd3e6f JJ |
429 | {_NULL, 0, _NULL}, \ |
430 | _NULL, \ | |
d0bd3e6f JJ |
431 | _NULL, \ |
432 | _NULL \ | |
433 | } | |
d4dca0e4 JJ |
434 | |
435 | #define _REENT_INIT_PTR(var) \ | |
26432b0b JJ |
436 | { (var)->_stdin = (__FILE *)&__sf_fake_stdin; \ |
437 | (var)->_stdout = (__FILE *)&__sf_fake_stdout; \ | |
438 | (var)->_stderr = (__FILE *)&__sf_fake_stderr; \ | |
439 | (var)->_errno = 0; \ | |
440 | (var)->_inc = 0; \ | |
441 | (var)->_emergency = _NULL; \ | |
442 | (var)->__sdidinit = 0; \ | |
443 | (var)->_current_category = 0; \ | |
444 | (var)->_current_locale = "C"; \ | |
445 | (var)->_mp = _NULL; \ | |
446 | (var)->__cleanup = _NULL; \ | |
447 | (var)->_gamma_signgam = 0; \ | |
448 | (var)->_cvtlen = 0; \ | |
449 | (var)->_cvtbuf = _NULL; \ | |
450 | (var)->_r48 = _NULL; \ | |
451 | (var)->_localtime_buf = _NULL; \ | |
452 | (var)->_asctime_buf = _NULL; \ | |
453 | (var)->_sig_func = _NULL; \ | |
454 | (var)->_atexit = _NULL; \ | |
455 | (var)->_atexit0._next = _NULL; \ | |
456 | (var)->_atexit0._ind = 0; \ | |
457 | (var)->_atexit0._fns[0] = _NULL; \ | |
458 | (var)->_atexit0._on_exit_args_ptr = _NULL; \ | |
459 | (var)->__sglue._next = _NULL; \ | |
460 | (var)->__sglue._niobs = 0; \ | |
461 | (var)->__sglue._iobs = _NULL; \ | |
462 | (var)->__sf = 0; \ | |
463 | (var)->_misc = _NULL; \ | |
464 | (var)->_signal_buf = _NULL; \ | |
d4dca0e4 | 465 | } |
8195aff7 MG |
466 | |
467 | /* Only built the assert() calls if we are built with debugging. */ | |
9d36d24f | 468 | #if DEBUG |
8195aff7 | 469 | #include <assert.h> |
e83c3d0a | 470 | #define __reent_assert(x) assert(x) |
8195aff7 | 471 | #else |
e83c3d0a | 472 | #define __reent_assert(x) ((void)0) |
8195aff7 MG |
473 | #endif |
474 | ||
7d592bb1 JJ |
475 | #ifdef __CUSTOM_FILE_IO__ |
476 | #error Custom FILE I/O and _REENT_SMALL not currently supported. | |
477 | #endif | |
478 | ||
8195aff7 MG |
479 | /* Generic _REENT check macro. */ |
480 | #define _REENT_CHECK(var, what, type, size, init) do { \ | |
481 | struct _reent *_r = (var); \ | |
482 | if (_r->what == NULL) { \ | |
483 | _r->what = (type)malloc(size); \ | |
e83c3d0a | 484 | __reent_assert(_r->what); \ |
8195aff7 MG |
485 | init; \ |
486 | } \ | |
487 | } while (0) | |
488 | ||
489 | #define _REENT_CHECK_TM(var) \ | |
490 | _REENT_CHECK(var, _localtime_buf, struct __tm *, sizeof *((var)->_localtime_buf), \ | |
491 | /* nothing */) | |
492 | ||
493 | #define _REENT_CHECK_ASCTIME_BUF(var) \ | |
494 | _REENT_CHECK(var, _asctime_buf, char *, _REENT_ASCTIME_SIZE, \ | |
495 | memset((var)->_asctime_buf, 0, _REENT_ASCTIME_SIZE)) | |
496 | ||
497 | /* Handle the dynamically allocated rand48 structure. */ | |
498 | #define _REENT_INIT_RAND48(var) do { \ | |
499 | struct _reent *_r = (var); \ | |
500 | _r->_r48->_seed[0] = _RAND48_SEED_0; \ | |
501 | _r->_r48->_seed[1] = _RAND48_SEED_1; \ | |
502 | _r->_r48->_seed[2] = _RAND48_SEED_2; \ | |
503 | _r->_r48->_mult[0] = _RAND48_MULT_0; \ | |
504 | _r->_r48->_mult[1] = _RAND48_MULT_1; \ | |
505 | _r->_r48->_mult[2] = _RAND48_MULT_2; \ | |
506 | _r->_r48->_add = _RAND48_ADD; \ | |
9d36d24f | 507 | _r->_r48->_rand_next = 1; \ |
8195aff7 MG |
508 | } while (0) |
509 | #define _REENT_CHECK_RAND48(var) \ | |
510 | _REENT_CHECK(var, _r48, struct _rand48 *, sizeof *((var)->_r48), _REENT_INIT_RAND48((var))) | |
511 | ||
512 | #define _REENT_INIT_MP(var) do { \ | |
513 | struct _reent *_r = (var); \ | |
514 | _r->_mp->_result_k = 0; \ | |
515 | _r->_mp->_result = _r->_mp->_p5s = _NULL; \ | |
516 | _r->_mp->_freelist = _NULL; \ | |
517 | } while (0) | |
518 | #define _REENT_CHECK_MP(var) \ | |
519 | _REENT_CHECK(var, _mp, struct _mprec *, sizeof *((var)->_mp), _REENT_INIT_MP(var)) | |
520 | ||
521 | #define _REENT_CHECK_EMERGENCY(var) \ | |
82b3ac56 | 522 | _REENT_CHECK(var, _emergency, char *, _REENT_EMERGENCY_SIZE, /* nothing */) |
8195aff7 | 523 | |
d4dca0e4 JJ |
524 | #define _REENT_INIT_MISC(var) do { \ |
525 | struct _reent *_r = (var); \ | |
526 | _r->_misc->_strtok_last = _NULL; \ | |
8d9112f2 TF |
527 | _r->_misc->_mblen_state.__count = 0; \ |
528 | _r->_misc->_mblen_state.__value.__wch = 0; \ | |
529 | _r->_misc->_wctomb_state.__count = 0; \ | |
530 | _r->_misc->_wctomb_state.__value.__wch = 0; \ | |
531 | _r->_misc->_mbtowc_state.__count = 0; \ | |
532 | _r->_misc->_mbtowc_state.__value.__wch = 0; \ | |
9c64d2a7 JJ |
533 | _r->_misc->_mbrlen_state.__count = 0; \ |
534 | _r->_misc->_mbrlen_state.__value.__wch = 0; \ | |
535 | _r->_misc->_mbrtowc_state.__count = 0; \ | |
536 | _r->_misc->_mbrtowc_state.__value.__wch = 0; \ | |
537 | _r->_misc->_mbsrtowcs_state.__count = 0; \ | |
538 | _r->_misc->_mbsrtowcs_state.__value.__wch = 0; \ | |
539 | _r->_misc->_wcrtomb_state.__count = 0; \ | |
540 | _r->_misc->_wcrtomb_state.__value.__wch = 0; \ | |
541 | _r->_misc->_wcsrtombs_state.__count = 0; \ | |
542 | _r->_misc->_wcsrtombs_state.__value.__wch = 0; \ | |
c33c3635 | 543 | _r->_misc->_l64a_buf[0] = '\0'; \ |
35728d4f | 544 | _r->_misc->_getdate_err = 0; \ |
d4dca0e4 JJ |
545 | } while (0) |
546 | #define _REENT_CHECK_MISC(var) \ | |
547 | _REENT_CHECK(var, _misc, struct _misc_reent *, sizeof *((var)->_misc), _REENT_INIT_MISC(var)) | |
548 | ||
39e65e01 JJ |
549 | #define _REENT_CHECK_SIGNAL_BUF(var) \ |
550 | _REENT_CHECK(var, _signal_buf, char *, _REENT_SIGNAL_SIZE, /* nothing */) | |
551 | ||
8195aff7 MG |
552 | #define _REENT_SIGNGAM(ptr) ((ptr)->_gamma_signgam) |
553 | #define _REENT_RAND_NEXT(ptr) ((ptr)->_r48->_rand_next) | |
554 | #define _REENT_RAND48_SEED(ptr) ((ptr)->_r48->_seed) | |
555 | #define _REENT_RAND48_MULT(ptr) ((ptr)->_r48->_mult) | |
556 | #define _REENT_RAND48_ADD(ptr) ((ptr)->_r48->_add) | |
557 | #define _REENT_MP_RESULT(ptr) ((ptr)->_mp->_result) | |
558 | #define _REENT_MP_RESULT_K(ptr) ((ptr)->_mp->_result_k) | |
559 | #define _REENT_MP_P5S(ptr) ((ptr)->_mp->_p5s) | |
560 | #define _REENT_MP_FREELIST(ptr) ((ptr)->_mp->_freelist) | |
561 | #define _REENT_ASCTIME_BUF(ptr) ((ptr)->_asctime_buf) | |
562 | #define _REENT_TM(ptr) ((ptr)->_localtime_buf) | |
563 | #define _REENT_EMERGENCY(ptr) ((ptr)->_emergency) | |
d4dca0e4 JJ |
564 | #define _REENT_STRTOK_LAST(ptr) ((ptr)->_misc->_strtok_last) |
565 | #define _REENT_MBLEN_STATE(ptr) ((ptr)->_misc->_mblen_state) | |
566 | #define _REENT_MBTOWC_STATE(ptr)((ptr)->_misc->_mbtowc_state) | |
567 | #define _REENT_WCTOMB_STATE(ptr)((ptr)->_misc->_wctomb_state) | |
9c64d2a7 JJ |
568 | #define _REENT_MBRLEN_STATE(ptr) ((ptr)->_misc->_mbrlen_state) |
569 | #define _REENT_MBRTOWC_STATE(ptr) ((ptr)->_misc->_mbrtowc_state) | |
570 | #define _REENT_MBSRTOWCS_STATE(ptr) ((ptr)->_misc->_mbsrtowcs_state) | |
571 | #define _REENT_WCRTOMB_STATE(ptr) ((ptr)->_misc->_wcrtomb_state) | |
572 | #define _REENT_WCSRTOMBS_STATE(ptr) ((ptr)->_misc->_wcsrtombs_state) | |
c33c3635 | 573 | #define _REENT_L64A_BUF(ptr) ((ptr)->_misc->_l64a_buf) |
35728d4f | 574 | #define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_misc->_getdate_err)) |
39e65e01 | 575 | #define _REENT_SIGNAL_BUF(ptr) ((ptr)->_signal_buf) |
8195aff7 MG |
576 | |
577 | #else /* !_REENT_SMALL */ | |
578 | ||
8a0efa53 CF |
579 | struct _reent |
580 | { | |
8195aff7 | 581 | int _errno; /* local copy of errno */ |
8a0efa53 CF |
582 | |
583 | /* FILE is a big struct and may change over time. To try to achieve binary | |
584 | compatibility with future versions, put stdin,stdout,stderr here. | |
585 | These are pointers into member __sf defined below. */ | |
dee51391 | 586 | __FILE *_stdin, *_stdout, *_stderr; |
8a0efa53 CF |
587 | |
588 | int _inc; /* used by tmpnam */ | |
8195aff7 | 589 | char _emergency[_REENT_EMERGENCY_SIZE]; |
9d36d24f | 590 | |
8a0efa53 CF |
591 | int _current_category; /* used by setlocale */ |
592 | _CONST char *_current_locale; | |
593 | ||
594 | int __sdidinit; /* 1 means stdio has been init'd */ | |
595 | ||
596 | void _EXFUN((*__cleanup),(struct _reent *)); | |
597 | ||
598 | /* used by mprec routines */ | |
599 | struct _Bigint *_result; | |
600 | int _result_k; | |
601 | struct _Bigint *_p5s; | |
602 | struct _Bigint **_freelist; | |
603 | ||
604 | /* used by some fp conversion routines */ | |
605 | int _cvtlen; /* should be size_t */ | |
606 | char *_cvtbuf; | |
607 | ||
608 | union | |
609 | { | |
610 | struct | |
611 | { | |
46a43a99 | 612 | unsigned int _unused_rand; |
d4dca0e4 | 613 | char * _strtok_last; |
39e65e01 | 614 | char _asctime_buf[_REENT_ASCTIME_SIZE]; |
9e2a4ef8 | 615 | struct __tm _localtime_buf; |
8a0efa53 | 616 | int _gamma_signgam; |
a704d94a | 617 | __extension__ unsigned long long _rand_next; |
ab4745dc | 618 | struct _rand48 _r48; |
8d9112f2 TF |
619 | _mbstate_t _mblen_state; |
620 | _mbstate_t _mbtowc_state; | |
621 | _mbstate_t _wctomb_state; | |
c33c3635 | 622 | char _l64a_buf[8]; |
39e65e01 | 623 | char _signal_buf[_REENT_SIGNAL_SIZE]; |
9d36d24f | 624 | int _getdate_err; |
9c64d2a7 JJ |
625 | _mbstate_t _mbrlen_state; |
626 | _mbstate_t _mbrtowc_state; | |
627 | _mbstate_t _mbsrtowcs_state; | |
628 | _mbstate_t _wcrtomb_state; | |
629 | _mbstate_t _wcsrtombs_state; | |
3c77dcff | 630 | int _h_errno; |
8a0efa53 CF |
631 | } _reent; |
632 | /* Two next two fields were once used by malloc. They are no longer | |
633 | used. They are used to preserve the space used before so as to | |
9d36d24f | 634 | allow addition of new reent fields and keep binary compatibility. */ |
8a0efa53 CF |
635 | struct |
636 | { | |
637 | #define _N_LISTS 30 | |
638 | unsigned char * _nextf[_N_LISTS]; | |
639 | unsigned int _nmalloc[_N_LISTS]; | |
640 | } _unused; | |
641 | } _new; | |
642 | ||
643 | /* atexit stuff */ | |
644 | struct _atexit *_atexit; /* points to head of LIFO stack */ | |
645 | struct _atexit _atexit0; /* one guaranteed table, required by ANSI */ | |
646 | ||
647 | /* signal info */ | |
648 | void (**(_sig_func))(int); | |
649 | ||
dee51391 | 650 | /* These are here last so that __FILE can grow without changing the offsets |
8a0efa53 CF |
651 | of the above members (on the off chance that future binary compatibility |
652 | would be broken otherwise). */ | |
dee51391 JJ |
653 | struct _glue __sglue; /* root of glue chain */ |
654 | __FILE __sf[3]; /* first three file descriptors */ | |
8a0efa53 CF |
655 | }; |
656 | ||
657 | #define _REENT_INIT(var) \ | |
d0bd3e6f | 658 | { 0, \ |
26432b0b JJ |
659 | &(var).__sf[0], \ |
660 | &(var).__sf[1], \ | |
661 | &(var).__sf[2], \ | |
d0bd3e6f JJ |
662 | 0, \ |
663 | "", \ | |
664 | 0, \ | |
665 | "C", \ | |
666 | 0, \ | |
667 | _NULL, \ | |
668 | _NULL, \ | |
669 | 0, \ | |
670 | _NULL, \ | |
671 | _NULL, \ | |
672 | 0, \ | |
673 | _NULL, \ | |
674 | { \ | |
675 | { \ | |
676 | 0, \ | |
677 | _NULL, \ | |
678 | "", \ | |
679 | {0, 0, 0, 0, 0, 0, 0, 0, 0}, \ | |
680 | 0, \ | |
681 | 1, \ | |
682 | { \ | |
683 | {_RAND48_SEED_0, _RAND48_SEED_1, _RAND48_SEED_2}, \ | |
684 | {_RAND48_MULT_0, _RAND48_MULT_1, _RAND48_MULT_2}, \ | |
685 | _RAND48_ADD \ | |
686 | }, \ | |
687 | {0, {0}}, \ | |
688 | {0, {0}}, \ | |
689 | {0, {0}}, \ | |
690 | "", \ | |
691 | "", \ | |
692 | 0, \ | |
693 | {0, {0}}, \ | |
694 | {0, {0}}, \ | |
695 | {0, {0}}, \ | |
696 | {0, {0}}, \ | |
697 | {0, {0}} \ | |
698 | } \ | |
699 | }, \ | |
700 | _NULL, \ | |
0c8593cf | 701 | {_NULL, 0, {_NULL}, {{_NULL}, {_NULL}, 0, 0}}, \ |
d0bd3e6f JJ |
702 | _NULL, \ |
703 | {_NULL, 0, _NULL} \ | |
704 | } | |
d4dca0e4 JJ |
705 | |
706 | #define _REENT_INIT_PTR(var) \ | |
26432b0b JJ |
707 | { (var)->_errno = 0; \ |
708 | (var)->_stdin = &(var)->__sf[0]; \ | |
709 | (var)->_stdout = &(var)->__sf[1]; \ | |
710 | (var)->_stderr = &(var)->__sf[2]; \ | |
711 | (var)->_inc = 0; \ | |
712 | memset(&(var)->_emergency, 0, sizeof((var)->_emergency)); \ | |
713 | (var)->_current_category = 0; \ | |
714 | (var)->_current_locale = "C"; \ | |
715 | (var)->__sdidinit = 0; \ | |
716 | (var)->__cleanup = _NULL; \ | |
717 | (var)->_result = _NULL; \ | |
718 | (var)->_result_k = 0; \ | |
719 | (var)->_p5s = _NULL; \ | |
720 | (var)->_freelist = _NULL; \ | |
721 | (var)->_cvtlen = 0; \ | |
722 | (var)->_cvtbuf = _NULL; \ | |
723 | (var)->_new._reent._unused_rand = 0; \ | |
724 | (var)->_new._reent._strtok_last = _NULL; \ | |
725 | (var)->_new._reent._asctime_buf[0] = 0; \ | |
726 | memset(&(var)->_new._reent._localtime_buf, 0, sizeof((var)->_new._reent._localtime_buf)); \ | |
727 | (var)->_new._reent._gamma_signgam = 0; \ | |
728 | (var)->_new._reent._rand_next = 1; \ | |
729 | (var)->_new._reent._r48._seed[0] = _RAND48_SEED_0; \ | |
730 | (var)->_new._reent._r48._seed[1] = _RAND48_SEED_1; \ | |
731 | (var)->_new._reent._r48._seed[2] = _RAND48_SEED_2; \ | |
732 | (var)->_new._reent._r48._mult[0] = _RAND48_MULT_0; \ | |
733 | (var)->_new._reent._r48._mult[1] = _RAND48_MULT_1; \ | |
734 | (var)->_new._reent._r48._mult[2] = _RAND48_MULT_2; \ | |
735 | (var)->_new._reent._r48._add = _RAND48_ADD; \ | |
736 | (var)->_new._reent._mblen_state.__count = 0; \ | |
737 | (var)->_new._reent._mblen_state.__value.__wch = 0; \ | |
738 | (var)->_new._reent._mbtowc_state.__count = 0; \ | |
739 | (var)->_new._reent._mbtowc_state.__value.__wch = 0; \ | |
740 | (var)->_new._reent._wctomb_state.__count = 0; \ | |
741 | (var)->_new._reent._wctomb_state.__value.__wch = 0; \ | |
742 | (var)->_new._reent._mbrlen_state.__count = 0; \ | |
743 | (var)->_new._reent._mbrlen_state.__value.__wch = 0; \ | |
744 | (var)->_new._reent._mbrtowc_state.__count = 0; \ | |
745 | (var)->_new._reent._mbrtowc_state.__value.__wch = 0; \ | |
746 | (var)->_new._reent._mbsrtowcs_state.__count = 0; \ | |
747 | (var)->_new._reent._mbsrtowcs_state.__value.__wch = 0; \ | |
748 | (var)->_new._reent._wcrtomb_state.__count = 0; \ | |
749 | (var)->_new._reent._wcrtomb_state.__value.__wch = 0; \ | |
750 | (var)->_new._reent._wcsrtombs_state.__count = 0; \ | |
751 | (var)->_new._reent._wcsrtombs_state.__value.__wch = 0; \ | |
752 | (var)->_new._reent._l64a_buf[0] = '\0'; \ | |
753 | (var)->_new._reent._signal_buf[0] = '\0'; \ | |
754 | (var)->_new._reent._getdate_err = 0; \ | |
755 | (var)->_atexit = _NULL; \ | |
756 | (var)->_atexit0._next = _NULL; \ | |
757 | (var)->_atexit0._ind = 0; \ | |
758 | (var)->_atexit0._fns[0] = _NULL; \ | |
759 | (var)->_atexit0._on_exit_args._fntypes = 0; \ | |
760 | (var)->_atexit0._on_exit_args._fnargs[0] = _NULL; \ | |
761 | (var)->_sig_func = _NULL; \ | |
762 | (var)->__sglue._next = _NULL; \ | |
763 | (var)->__sglue._niobs = 0; \ | |
764 | (var)->__sglue._iobs = _NULL; \ | |
765 | memset(&(var)->__sf, 0, sizeof((var)->__sf)); \ | |
d4dca0e4 | 766 | } |
8a0efa53 | 767 | |
8195aff7 MG |
768 | #define _REENT_CHECK_RAND48(ptr) /* nothing */ |
769 | #define _REENT_CHECK_MP(ptr) /* nothing */ | |
770 | #define _REENT_CHECK_TM(ptr) /* nothing */ | |
771 | #define _REENT_CHECK_ASCTIME_BUF(ptr) /* nothing */ | |
815a37f7 | 772 | #define _REENT_CHECK_EMERGENCY(ptr) /* nothing */ |
d4dca0e4 | 773 | #define _REENT_CHECK_MISC(ptr) /* nothing */ |
39e65e01 | 774 | #define _REENT_CHECK_SIGNAL_BUF(ptr) /* nothing */ |
8195aff7 MG |
775 | |
776 | #define _REENT_SIGNGAM(ptr) ((ptr)->_new._reent._gamma_signgam) | |
777 | #define _REENT_RAND_NEXT(ptr) ((ptr)->_new._reent._rand_next) | |
778 | #define _REENT_RAND48_SEED(ptr) ((ptr)->_new._reent._r48._seed) | |
779 | #define _REENT_RAND48_MULT(ptr) ((ptr)->_new._reent._r48._mult) | |
780 | #define _REENT_RAND48_ADD(ptr) ((ptr)->_new._reent._r48._add) | |
781 | #define _REENT_MP_RESULT(ptr) ((ptr)->_result) | |
782 | #define _REENT_MP_RESULT_K(ptr) ((ptr)->_result_k) | |
783 | #define _REENT_MP_P5S(ptr) ((ptr)->_p5s) | |
784 | #define _REENT_MP_FREELIST(ptr) ((ptr)->_freelist) | |
c9524c0c | 785 | #define _REENT_ASCTIME_BUF(ptr) ((ptr)->_new._reent._asctime_buf) |
8195aff7 MG |
786 | #define _REENT_TM(ptr) (&(ptr)->_new._reent._localtime_buf) |
787 | #define _REENT_EMERGENCY(ptr) ((ptr)->_emergency) | |
d4dca0e4 JJ |
788 | #define _REENT_STRTOK_LAST(ptr) ((ptr)->_new._reent._strtok_last) |
789 | #define _REENT_MBLEN_STATE(ptr) ((ptr)->_new._reent._mblen_state) | |
790 | #define _REENT_MBTOWC_STATE(ptr)((ptr)->_new._reent._mbtowc_state) | |
791 | #define _REENT_WCTOMB_STATE(ptr)((ptr)->_new._reent._wctomb_state) | |
9c64d2a7 JJ |
792 | #define _REENT_MBRLEN_STATE(ptr)((ptr)->_new._reent._mbrlen_state) |
793 | #define _REENT_MBRTOWC_STATE(ptr)((ptr)->_new._reent._mbrtowc_state) | |
794 | #define _REENT_MBSRTOWCS_STATE(ptr)((ptr)->_new._reent._mbsrtowcs_state) | |
795 | #define _REENT_WCRTOMB_STATE(ptr)((ptr)->_new._reent._wcrtomb_state) | |
796 | #define _REENT_WCSRTOMBS_STATE(ptr)((ptr)->_new._reent._wcsrtombs_state) | |
c33c3635 | 797 | #define _REENT_L64A_BUF(ptr) ((ptr)->_new._reent._l64a_buf) |
39e65e01 | 798 | #define _REENT_SIGNAL_BUF(ptr) ((ptr)->_new._reent._signal_buf) |
35728d4f | 799 | #define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_new._reent._getdate_err)) |
8195aff7 MG |
800 | |
801 | #endif /* !_REENT_SMALL */ | |
802 | ||
8a0efa53 CF |
803 | /* |
804 | * All references to struct _reent are via this pointer. | |
805 | * Internally, newlib routines that need to reference it should use _REENT. | |
806 | */ | |
807 | ||
808 | #ifndef __ATTRIBUTE_IMPURE_PTR__ | |
809 | #define __ATTRIBUTE_IMPURE_PTR__ | |
810 | #endif | |
811 | ||
812 | extern struct _reent *_impure_ptr __ATTRIBUTE_IMPURE_PTR__; | |
d0bd3e6f | 813 | extern struct _reent *_CONST _global_impure_ptr __ATTRIBUTE_IMPURE_PTR__; |
8a0efa53 CF |
814 | |
815 | void _reclaim_reent _PARAMS ((struct _reent *)); | |
816 | ||
817 | /* #define _REENT_ONLY define this to get only reentrant routines */ | |
818 | ||
819 | #ifndef _REENT_ONLY | |
5e2cbfb6 JJ |
820 | |
821 | #if defined(__DYNAMIC_REENT__) && !defined(__SINGLE_THREAD__) | |
733309f5 | 822 | #ifndef __getreent |
5e2cbfb6 | 823 | struct _reent * _EXFUN(__getreent, (void)); |
733309f5 | 824 | #endif |
5e2cbfb6 JJ |
825 | # define _REENT (__getreent()) |
826 | #else /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */ | |
827 | # define _REENT _impure_ptr | |
828 | #endif /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */ | |
829 | ||
d4dca0e4 | 830 | #endif /* !_REENT_ONLY */ |
8a0efa53 | 831 | |
181cb051 | 832 | #define _GLOBAL_REENT _global_impure_ptr |
9fc9e1c9 | 833 | |
8a0efa53 CF |
834 | #ifdef __cplusplus |
835 | } | |
836 | #endif | |
837 | #endif /* _SYS_REENT_H_ */ |